open source

JABREF is an open source bibliography reference manager.

Winpooch is a Windows watchdog, free and open source.

AthenaCentral Community Edition - FREE AND OPEN SOURCE - Health Club Management

Tipue is an open source JavaScript site search engine.

Free, Open Source, Cross Platform RSS Aggregator for professional users

software which uses Excel VBA macros,gantt chart software open source

a collection of free and open source portable programs

a full-featured, open source job scheduling system

db4o (database for objects) is the open source object database for Mono.

Sinergia is an open source, web based, help desk developed in C# NET 3.0